Restructuring and Other Charges (Schedule of Restructuring and Other Charge Activities) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	$ 920	$ 1,135	$ 1,408
Additions	2,248	2,253	97
Cash payments	(1,998)	(2,413)	(370)
Adjustments	(172)	(55)
Restructuring reserve, ending balance	998	920	1,135
Employee termination charges
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	775	6	6
Additions	2,082	1,789	0
Cash payments	(1,783)	(1,010)	0
Adjustments	(142)	(10)
Restructuring reserve, ending balance	932	775	6
Lease contract termination and other charges
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	145	1,129	1,402
Additions	166	464	97
Cash payments	(215)	(1,403)	(370)
Adjustments	(30)	(45)
Restructuring reserve, ending balance	$ 66	$ 145	$ 1,129

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

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- Definition

Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost.

+ References

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-Publisher FASB
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- Definition

Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

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- Definition

Amount of expense (reversal of expense) which increases (decreases) the restructuring reserve from an adjustment to a previously accrued restructuring liability.

+ References

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-Publisher FASB
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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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